13-letter words containing a, b, s, i
- unserviceable — not suitable to be used
- unspecifiable — not able to be specified
- unstabilizing — to make or hold stable, firm, or steadfast.
- unsubstantial — not substantial; having no foundation in fact; fanciful; insubstantial: an unsubstantial argument; unsubstantial hopes.
- unsubstantive — a noun.
- unsuitability — the quality of being inappropriate, unsuitable, or unfit
- unsustainable — not sustainable; not to be supported, maintained, upheld, or corroborated.
- unsustainably — not sustainable; not to be supported, maintained, upheld, or corroborated.
- untarnishable — to dull the luster of (a metallic surface), especially by oxidation; discolor.
- unwhistleable — incapable of being whistled
- urban studies — the various disciplines associated with the study of urban areas, including urban planning, urban economics and urban architecture
- variabilities — apt or liable to vary or change; changeable: variable weather; variable moods.
- variable cost — a cost that varies with a change in the volume of output while remaining uniform on a per-unit basis, as cost of labor (distinguished from fixed cost).
- variable star — a star that varies markedly in brightness from time to time.
- vasoinhibitor — an agent, as a drug, that inhibits the action of the vasomotor nerves.
- visual binary — a binary star having components that are sufficiently separated to be resolved by a telescope.
- vraisemblance — verisimilitude; appearance of truth
- warner robins — a city in central Georgia.
- water biscuit — a crackerlike biscuit prepared from flour and water.
- water blister — a blister that contains a clear, serous fluid, as distinguished from a blood blister, in which the fluid contains blood.
- west columbia — a town in central South Carolina.
- whitefish bay — a city in SE Wisconsin, N of Milwaukee.
- winter's bark — an evergreen tree, Drimys winteri, ranging from Mexico to Cape Horn, having aromatic leaves and cream-colored, jasmine-scented flowers.
- yieldableness — the quality of being submissive or compliant
- zebra stripes — a pattern of alternate black and white stripes